Book/Report FZJ-2018-02288

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Thermisches Verhalten von Energieabsorbern als Wärmequellenanlage in Wärmepumpe-Heizungsanlagen



1983
Kernforschungsanlage Jülich, Verlag Jülich

Jülich : Kernforschungsanlage Jülich, Verlag, Berichte der Kernforschungsanlage Jülich 1864, 121 p. ()

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Report No.: Juel-1864

Abstract: The useful energy output of absorber plates was measured under the seasonal range of weather conditions over a period of 1 year.The absorber plates were oriented to the south either with thermal insulation on the rear side or elevated from the supporting plane to allow additional heat exchange on the rear side. Calorimetric measurements of the plates were carried out with simultaneousrecording of meteorological data. Comprehensive data were collected in respect of black-painted absorber plates as well as those with selective coating. An elaborate model for simulating the heat transfer on an absorber plate was verified by the measured results. The thermal performance of an absorber roof as heatpump-source was studied by simulation over periods of one year each for a single-family detached house. The calculations were based on hourly meteorological data measured during 1973 in Hamburg and 1979 in Braunschweig. The househeating-systems were simulated with respect to three different heat source devices : - A heatpump evaporator with forced air convection as a reference device. - Absorber roofs with selective or nonselective coatings either as an integrated part of the roof with rear-side insulation or elevated from the roof construction. - An extended heat source device which includes an ice/water latent heal; storage tank besides the absorber roof. The construction parameters of the heatpump-systems were varied in order to investigate the percentage of commercial energy input needed to cover the total heat demand.


Contributing Institute(s):
  1. Publikationen vor 2000 (PRE-2000)
Research Program(s):
  1. 899 - ohne Topic (POF3-899) (POF3-899)

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 Record created 2018-04-10, last modified 2021-01-29